<template>
  <el-dialog title="新增员工" :visible="dialogVisible" top="10vh" @close="closeDialog" @click.native="isShow = false">
    <!-- 表单 -->
    <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option v-for="item in employeeMenu.hireType" :key="item.id" :label="item.value" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <!-- disabled 禁用  禁止使用
				readonly 只读
				:value=""
       -->
        <el-input v-model="formData.departmentName" readonly style="width:50%" placeholder="请选择部门" @click.native.stop="getDepts" />
        <!-- 树形控件 -->
        <div v-if="isShow" v-loading="loading" class="treebox">
          <el-tree :data="treeData" :props="{ label: 'name' }" @node-click="handleNodeClick" />
        </div>
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template v-slot:footer>
      <el-button @click="closeDialog">取消</el-button>
      <el-button type="primary" @click="addEmployee">确定</el-button>
    </template>
  </el-dialog>
</template>

<script>
import { reqGetDepts } from '@/api/departments'
import { reqAddEmployee } from '@/api/employee'
import { tranListToTreeData } from '@/utils/index'
import employeeMenu from '@/constant/employees'
export default {
  props: {
    dialogVisible: {
      type: Boolean,
      required: true
    }
  },
  data() {
    return {
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      // 表单规则
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 2, max: 4, message: '用户姓名为2-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      // 部门列表数据
      treeData: [],
      loading: false, // 控制树形控件加载效果
      isShow: false, // 控制树形控件的显示与隐藏
      employeeMenu
    }
  },
  methods: {
    closeDialog() {
      // 清除校验和表单信息
      this.$refs.addForm.resetFields()
      // 关闭对话框
      this.$emit('update:dialogVisible', false)
    },
    // 获取部门列表
    async getDepts() {
      this.isShow = !this.isShow // 点击切换显示树形控件父元素的显示与隐藏
      this.loading = true
      const { data: { depts }} = await reqGetDepts()
      // 转换树形结构需要的数据格式存储在data中
      this.treeData = tranListToTreeData(depts, '')
      this.loading = false
    },
    // 点击树形控件节点触发的方法  data是点击的当前树形节点的数据(对象)
    handleNodeClick(data) {
      console.log(data)
      // 如果没有子部门可以直接赋值,但是有子部门不能赋值一级部门
      if (data.children.length === 0) {
        // 将点击的部门对象的部门名称赋值给formData中departmentName
        this.formData.departmentName = data.name
        this.isShow = false // 隐藏树形控件
      }
    },
    // 新增员工
    addEmployee() {
      // 1. 预校验
      this.$refs.addForm.validate(async boo => {
        if (!boo) return
        // 2. 发送请求
        const { message } = await reqAddEmployee(this.formData)
        // console.log(res)
        // 3.提示用户
        this.$message.success(message)
        // 4. 关闭对话框
        this.closeDialog()
        // 5. 通知父组件重新获取员工列表
        this.$parent.getEmployees()
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.treebox {
  position: absolute;
  left: 0;
  top: 40px;
  z-index: 999;
  width:50%;
  border: 1px solid #ccc;
  border-radius: 5px;
  overflow: hidden;
}
</style>
